28697541

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{2221}}^1$

素因数の和:2356

約数の個数: 16

約数和(自身を含む): 39462720

約数和(自身を除く): 10765179

約数列:

[1, 3, 59, 73, 177, 219, 2221, 4307, 6663, 12921, 131039, 162133, 393117, 486399, 9565847, 28697541]

約数ペア:

[(1, 28697541), (3, 9565847), (59, 486399), (73, 393117), (177, 162133), (219, 131039), (2221, 12921), (4307, 6663)]